205 / | HD | ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS |
334 | DF | ELECTROLYTIC SYNTHESIS (PROCESS, COMPOSITION, AND METHOD OF PREPARING COMPOSITION) {21} |
615 | DF | .~ Preparing nonmetal element {8} |
618 | .~.~ Halogen produced {3} | |
619 | DF | .~.~.~> Fluorine, bromine, or iodine produced |
620 | DF | .~.~.~> Chlorine and hydrogen produced {1} |
622 | DF | .~.~.~> Utilizing specified electrode other than graphite or inorganic carbon {3} |